package com.atguigu.gulimall.product.exception;

import com.atguigu.common.exception.BizCodeEnum;
import com.atguigu.common.utils.R;
import lombok.extern.slf4j.Slf4j;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.ExceptionHandler;

import java.util.HashMap;

/**
 * @ClassName GulimallExceptionControllerAdvice
 * @Description TODO
 * @Author 13290
 * @Date 2022/9/6 14:42
 *
 * @ControllerAdvice 集中处理所有异常
 * @RestControllerAdvice = @ResponseBody + @ControllerAdvice
 *
 * @ResponseBody 返回Json格式响应数据
 *
 * @Slf4j  lombok下日志类
 **/
@Slf4j
//@RestControllerAdvice(basePackages = "com.atguigu.gulimall.product.controller")
public class GulimallExceptionControllerAdvice {

    @ExceptionHandler(value = MethodArgumentNotValidException.class)
    public R handleVaildException(MethodArgumentNotValidException e){

        log.error("11,22",e.getMessage(),e.getClass());

        BindingResult eBindingResult = e.getBindingResult();
        HashMap<String,String> errorMap = new HashMap<>();
        eBindingResult.getFieldErrors().forEach(error->{
            errorMap.put(error.getField(),error.getDefaultMessage());
        });
        log.warn(e.getMessage());
        return R.error(BizCodeEnum.VAILD_EXCEPTION.getCode(), BizCodeEnum.VAILD_EXCEPTION.getMsg()).put("data",errorMap);
    }

    @ExceptionHandler(value = Throwable.class)
    public R handleException(Throwable throwable){
        return R.error(BizCodeEnum.UNKNOW_EXCEPTION.getCode(), BizCodeEnum.UNKNOW_EXCEPTION.getMsg());
    }
}
